字符串统计

[xxxxyl110]

输入“abbbc” 输出“ab3c”

[qq_39936465]

引用 楼主 xxxxyl110 的回复:

输入“abbbc” 输出“ab3c”

import java.util.Scanner;

public class test22 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		char c=0;
		int count=1;
		StringBuffer buf=new StringBuffer();
		Scanner sc=new Scanner(System.in);
		System.out.println("请输入一个字符串按回车结束：");
		String str=sc.nextLine();
		char[] chars=str.toCharArray();
		for (char i: chars) {
			if(c!=i) {
				if(count!=1) {
					buf=buf.append(count);
					count=1;
				}
				c=i;
				buf=buf.append(i);
			}else {
				count++;
			}
		}
		System.out.println(buf);
	}
}